Aliased circle image generation on examples.

Author: nthnn

examples/aliased_circle/aliased_circle.cpp

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+/* 
+ * Copyright 2024 Nathanne Isip
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <math.h>
+#include <mdif.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+void draw_circle(mdif_t* image, int centerX, int centerY, int radius) {
+    int width = image->width;
+    int height = image->height;
+
+    for (int y = 0; y < height; y++) {
+        for (int x = 0; x < width; x++) {
+            int dx = x - centerX;
+            int dy = y - centerY;
+
+            if (dx * dx + dy * dy <= radius * radius) {
+                image->red[y * width + x] = 255;
+                image->green[y * width + x] = 255;
+                image->blue[y * width + x] = 255;
+                image->alpha[y * width + x] = 255;
+            }
+        }
+    }
+}
+
+int main() {
+    mdif_t image, aliased;
+    mdif_init(&image, 256, 256);
+
+    draw_circle(&image, 128, 128, 50);
+    mdif_antialias(&image, &aliased);
+
+    if(mdif_write("circle_image.mdif", &image) != MDIF_ERROR_NONE) {
+        fprintf(stderr, "Failed to write MDIF image to file.\r\n");
+        mdif_free(&image);
+        return EXIT_FAILURE;
+    }
+
+    mdif_free(&image);
+    mdif_free(&aliased);
+
+    printf("MDIF image with circle has been created successfully.\n");
+    return 0;
+}

examples/aliased_circle/build.bat

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+g++ -o ..\..\dist\aliased_circle.exe -I..\..\src ..\..\src\mdif.cpp aliased_circle.cpp

examples/aliased_circle/build.sh

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+g++ -o ../../dist/aliased_circle -I../../src ../../src/mdif.cpp aliased_circle.cpp